module huawei-clockboard {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-clockboard";

    prefix clockboard;

    import huawei-extension {
      prefix ext;
    }
    import huawei-pub-type {
      prefix pub-type;
    }
    import huawei-devm {
      prefix devm;
    }

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
     Bantian, Longgang
     Shenzhen 518129
     People's Republic of China
     Website: http://www.huawei.com
     Email: support@huawei.com";

    description
      "System clock synchronization management, including frequency synchronization and time synchronization.";

    revision "2020-03-14" {
      description
        "Modify the node description.";
      reference
        "Huawei private.";

    }

    revision "2020-03-04" {
      description
        "Modify the node description.";
      reference
        "Huawei private.";

    }

    revision "2019-05-23" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "clksync";

    typedef devm-board-type {
      type enumeration {
        enum "CLOCK" {
          value 1;
          description "Clock board.";
        }
        enum "UNKNOW" {
          value 0;
          description "Unknown board type.";
        }
      }
      description "Clock board type.";
    }

    typedef devm-run-state {
      type enumeration {
        enum "normal" {
          value 1;
          description "Normal.";
        }
        enum "abnormal" {
          value 0;
          description "Abnormal.";
        }
        enum "unknown" {
          value 2;
          description "Unknown.";
        }
      }
      description "Devm run state.";
    }

    augment /devm:devm {
      description
        "Information of clockboard.";
      container clockboards {
        config false;
        description
          "List of statistics of clock board.";
        list clockboard {
          key "position";
          description
            "Statistics of clock board.";
          leaf position {
            type string {
              length "0..32";
            }
            description
              "Clock board position.";
          }

          leaf ent-index {
            type uint32;
            description "Clock board index.";
          }

          leaf board-type {
            type devm-board-type;
            description
              "Type of a clock board.";
          }

          leaf up-time {
            type pub-type:time-tick;
            description
              "Up time of a clock board, the unit is timetick.";
          }

          leaf sram-state {
            type devm-run-state;
            description "SRAM state.";
          }
        }  // list clockboard
      }  // container clockboards
    }
  }  // module huawei-clockboard